A new study shows that exposure to two specific 'forever chemicals' may accelerate biological aging, especially in middle-aged men. Researchers revealed a link between faster epigenetic aging, and two of these alternatives, PFNA and PFOSA, a precursor of PFOA.

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There are literally millions of Pokémon fans around the world, some concerned with collecting trading cards, some inspired by video games, and some dedicated to every aspect of the franchise. If you fall into the latter category, you should know that BBC iPlayer has a dedicated streaming channel for Pokémon. And better yet, it's possible to access this bank of content without spending anything.

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